This write-up is for .
Using a payload like 1 OR 1=1 can force the database to return all records instead of just one.
The "inurl php id1 upd" vulnerability is a type of SQL injection vulnerability that occurs when a web application uses a PHP script to update a database record based on a user-supplied ID parameter. The vulnerability arises when the ID parameter is not properly sanitized or validated, allowing an attacker to inject malicious SQL code.
Are you trying to found on your own site? Do you need help writing a secure database query template ?
What or database connector (like PDO or MySQLi) your site uses